| Affiliation | Name | Age | Lane / Bow | Raw Time | Final Time | Difference |
| 03. OPEN MEN'S 1X - FINAL |
| POTOMAC BOAT CLUB | P MARCY | 39 | 5 | 03:37.71 | 03:37.71 | |
| POTOMAC BOAT CLUB | N MEYER | 23 | 2 | 03:52.18 | 03:52.18 | 15.11 (6.96%) |
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| 09. MASTERS MEN'S 1X - HEAT 4 |
| POTOMAC BOAT CLUB | J FROEMMING | 62 | 4 | 04:17.98 | 03:47.38 | |
| POTOMAC BOAT CLUB | M BUTLER | 63 | 1 | 04:21.89 | 03:49.49 | 02.1 (0.93%) |
| |
| 09. MASTERS MEN'S 1X - HEAT 5 |
| POTOMAC BOAT CLUB | C SUTLIFF | 84 | 1 | 04:51.81 | 03:30.81 | |
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| 10. OPEN LIGHTWEIGHT MEN'S 1X - FINAL |
| POTOMAC BOAT CLUB | A WEINSTEIN | 28 | 2 | 03:33.23 | 03:33.23 | |
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| 19 & 20. OPEN/MASTERS MEN'S 2X - HEAT 2 |
| POTOMAC BOAT CLUB | J FROEMMING | 42 | 6 | 03:43.49 | 03:38.59 | |
Occoquan Memorial Sprints - 2021 - Affiliation View